Features: 1.This deck mounted 1 hole basin faucet constructed from brass, multi-layer electroplating, corrosion resistance and rust prevention. Suitable for lifelong use. 2.Single knob easily control hot and cold water. 3.Easy To Install.Pipe Diameter is approx.30mm/1.18in. Diameter of the faucet installation hole is 30mm,can be used sink hole can be 30mm-42mm. 4.Water-saving bubbler faucet design to help you save water. 5.The thickening base is firmly installed. Effortless flow and water temperature control. Suitable for bathroom sink , kitchen, home, hotel, ect. Specifications: Type: Basin Faucets Spool: Ceramic Material: Brass Color: Black, Gold Installation Hole: Single Hole Installation Type: Deck Mount Applicable Pipe Diameter: 32mm-42mm Base Diameter: Approx. 30mm/1.18in Size: Approx. 19.5x14cm/7.68x5.51in Weight: Approx. 1170g Package Includes: 1 Piece Basin Faucet note: 1.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!